Kaan T. Oner and  Ertugrul Cetinsoy and  Mustafa Unel and  Mahmut F. Aksit and  Ilyas Kandemir and  Kayhan Gulez,  Dynamic Model and Control of a New Quadrotor Unmanned Aerial Vehicle with Tilt-Wing Mechanism.   journal   = {International Journal of Aerospace and Mechanical Engineering}, [online]. World Academy of Science, Engineering and Technology.
    September 2008, vol. 21(9). 1008 - 1013
    [viewed 07 April 2020]. Available from: https://publications.waset.org/pdf/10005.